Home / 74,887,466.70-112,331,200.05-66,384,410.70

Finding the Fourth Proportional to 74,887,466.70, 112,331,200.05 and 66,384,410.70

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Solution

The fourth proportional to 74,887,466.70, 112,331,200.05 and 66,384,410.70 is: 99,576,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,887,466.70 : 112,331,200.05 = 66,384,410.70 : x
  2. Step 2: Convert to fraction form
    74,887,466.70/112,331,200.05 = 66,384,410.70/x
  3. Step 3: Cross multiply
    74,887,466.70x = 112,331,200.05 × 66,384,410.70
  4. Step 4: Simplify right side
    74,887,466.70x = 7,457,040,518,543,061
  5. Step 5: Solve for x
    x = 7,457,040,518,543,061/74,887,466.70
  6. Step 6: Final answer
    x = 99,576,616.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.